* {
  margin: 0;
  padding: 0;
}

.viewport .header {
  height: 8.5rem;
  width: 100%;
  position: fixed;
  top: 0;
  box-sizing: border-box;
  padding-top: 3.5rem;
 
  color: #fff;
}

.viewport .header ul {
  height: 5rem;
  width: 15rem;
  margin: 0 auto;
  list-style: none;
  line-height: 5rem;
}

.viewport .header ul li {
  position: relative;
  float: left;
  width: 7.5rem;
  height: 5rem;
  line-height: 5rem;
  text-align: center;
  font-size: 2.5rem;
  font-weight: bolder;
}

.viewport .header ul li p {
  position: absolute;
  left: 2rem;
  height: 5rem;
  width: 3rem;
  border-bottom: 0.25rem solid #fff;
}


.viewport .video .video1 {
  width: 54rem;
  height: 98rem;
  /* position: absolute; */
  background-color: #10f1a6;


}

.viewport .video .r_click {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 7.5rem;
  height: 25rem;
  /* border: 2px solid red; */
  position :absolute;
  float: right;
  right: 0;
  z-index: 100;
  /* margin-bottom: 20rem; */
  bottom: 20rem;
  padding-right: 1.5rem;
  list-style: none;
}

.viewport .video .r_click li {
  width: 5rem;
  height: 5rem;
  background: red;
  border-radius: 1000px;

}

.viewport .video .bottom .r_cd{
  width: 5rem;
  height: 5rem;
  overflow: hidden;
  border-radius: 5rem;
  float: right;
  
  margin-top: 4rem;
  margin-right: 4rem;
}

.viewport .video .bottom .r_cd img{
  width: 5rem;
  height: 5rem;
}
.viewport .video .bottom {
  width: 100%;
  height: 10rem;
  position: absolute;
  left: 0;
  bottom: 10rem;
  overflow: hidden;
  z-index: 100;
}

.viewport .video .bottom .message {
  width: 80%;
  height: 100%;
  position: relative;
  float: left;
  font-size: 2rem;
  color: #fff;
  padding-left: 1.5rem;
  vertical-align: middle;
}
.viewport .video .bottom .message .H {
  height: 3.2rem;
  line-height: 3.2rem;
  font-weight: bolder;
}

.viewport .video .bottom .message .last {
  margin-top: 1rem;
  height: 5rem;
  line-height: 2.5rem;
}
.viewport .video .bottom .message .last span {
  /* display: inline; */
  font-weight: bolder;
}

.viewport .bottom_nav {
  position: fixed;
  bottom: 0px;
  height: 10rem;
  width: 100%;
  background: black;
  z-index: 100;
}

.viewport .bottom_nav ul {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  align-items: center;
  list-style: none;
  font-size: 2.5rem;
  color: #fff;
}

.viewport .video .r_click .like {
  background: none;
}

.heart {
  width: 5rem;
  height: 5rem;
  /* list-style: none; */
  margin: auto auto;
  position: relative;
}
.heart::before,
.heart::after {
  position: absolute;
  /* list-style: none; */
  display: block;
  content: ".";
  width: 2.5rem;
  height: 4.2rem;
  background-color: rgb(197, 196, 196);
  border-top-left-radius: 50% 1.25rem;
  border-top-right-radius: 50% 1.25rem;
  left: 0.75rem;
  top: 0px;
  transform: rotate(-45deg);
}
.heart::after {
  transform: rotate(45deg);
  left: 2rem;
}

.viewport .com {
  position: absolute;
  width: 100%;
  height: 0px;
  border-radius: 1.25rem 1.25rem 0 0;
  background: #666;
  bottom: 10rem;
  font-size: 2rem;
  overflow: hidden;
  transition: height 0.2s;
}

.viewport .com .com-heard {
  position: absolute;
  top: 0;
  width: 100%;
  height: 5rem;
  color: #000;
  
  
  
     text-align: center;
  line-height: 5rem;
  border-radius: 1.25rem 1.25rem 0 0;
  background: #fff;
}
.viewport .com form {
  position: absolute;
  width: 100%;
  height: 4rem;
  bottom: 0;
  padding: 0 10px 0 10px;
  border-top: 2px solid gray;
  background-color: #fff;
  font-size: 2.5rem;
}

.viewport .com form .bala {
  width: 44rem;
  height: 4rem;
  box-sizing: border-box;
  padding: 1rem 0 1rem 2rem;
  border: none;
}
.viewport .com form .biu {
  width: 5rem;
  height: 4rem;

  outline: none;
  border: none;
}

.viewport .com .exit {
  position: absolute;
  right: 2rem;
  top: 0;
}

.viewport .com .coms {
  position: absolute;
  width: 100%;
  height: 65rem;
  top: 5rem;
  overflow: scroll;
}
